公开(公告)号：US12235453B2

公开(公告)日：2025-02-25

申请号：US18466664

申请日：2023-09-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jong-Young Hong ,  Hongseok Lee ,  Young Kim

IPC: G02B27/01 ,  F21V8/00 ,  G02B5/18 ,  G02B27/00 ,  G02B27/42 ,  G02B27/44 ,  G02B30/40 ,  H04N9/31

Abstract: A display apparatus capable of providing an expanded viewing window includes a light guide plate including an input coupler and an output coupler; and an image providing apparatus facing the input coupler to provide an image to the input coupler. The input coupler may include a plurality of sub input couplers configured to propagate the image provided from the image providing apparatus at different angles in the light guide plate.

公开(公告)号：US12154466B2

公开(公告)日：2024-11-26

申请号：US18508678

申请日：2023-11-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Young Kim ,  Geunwoo Ko ,  Minsu Kim ,  Geeyoung Sung ,  Dongyeoul Lee ,  Sangbum Lee ,  Jonghyun Lee ,  Hongseok Lee ,  Punjae Choi ,  Jong-Young Hong

IPC: G09G3/32 ,  G02B30/34 ,  G03H1/22 ,  G09G3/00

Abstract: A three-dimensional holographic display device includes a light emitting diode (LED) array including a plurality of light sources controlled to sequentially output light according to a preset pattern, a lens configured to refract light incident from the LED array, a spatial light modulator (SLM) configured to modulate light incident from the lens, and a processor configured to generate a plurality of holographic signals each comprising depth information adjusted according to an arrangement location of each of the plurality of light sources, and for each of the plurality of light sources, control the SLM to modulate the light based on a holographic signal corresponding to the light source.

公开(公告)号：US12147144B2

公开(公告)日：2024-11-19

申请号：US17556490

申请日：2021-12-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Young Kim ,  Byonggwon Song ,  Hongsuk Kim ,  Hoon Song ,  Kanghee Won ,  Hongseok Lee ,  Sunghee Jung

IPC: G02F1/29 ,  G02F1/31 ,  G06F3/01 ,  G02B30/00 ,  G02B30/22

Abstract: Provided is a beam deflector including: a first electrode layer including a plurality of electrode patterns that are arranged in a first direction; a second electrode layer provided to oppose the first electrode layer; a liquid crystal layer provided between the first electrode layer and the second electrode layer in a second direction perpendicular to the first direction, and including a plurality of liquid crystal molecules; an input channel unit including a plurality of input channels; a demultiplexer configured to divide each of the input channels into a preset number of divided channels, and connect the divided channels to the electrode patterns; and a control circuit connected to the demultiplexer, and configured to control an output signal output from the divided channels to the first electrode layer.

公开(公告)号：US12095974B2

公开(公告)日：2024-09-17

申请号：US17201868

申请日：2021-03-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Young Kim ,  Jungkwuen An ,  Kanghee Won ,  Jong-Young Hong

IPC: H04N13/32 ,  H04N13/324

CPC classification number: H04N13/32 ,  H04N13/324 ,  H04N2213/001

Abstract: A beam deflection layer includes: a first selective polarization conversion-splitter that splits first color light in an incident light beam into 1A color light and 1B color light having different polarization directions from each other; a first beam deflector that deflects the 1A first first color light in the light beam from the 1A first selective polarization conversion-splitter, a first selective polarization converter that converts polarization directions of the 1A first first color light and the 1B second first color light in the light beam from the 1A first beam deflector, and a 1B second beam deflector configured to deflect the 1B second first color light in the light beam from the first selective polarization converter. The first color light, the 1A color light, and the 1B color light each have a first wavelength band.

公开(公告)号：US11854443B2

公开(公告)日：2023-12-26

申请号：US17500098

申请日：2021-10-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Young Kim ,  Geunwoo Ko ,  Minsu Kim ,  Geeyoung Sung ,  Dongyeoul Lee ,  Sangbum Lee ,  Jonghyun Lee ,  Hongseok Lee ,  Punjae Choi ,  Jong-Young Hong

IPC: G09G3/32 ,  G02B30/34 ,  G03H1/22 ,  G09G3/00

CPC classification number: G09G3/001 ,  G02B30/34 ,  G03H1/2205 ,  G03H1/2294 ,  G09G3/32 ,  G03H2222/34 ,  G09G2320/064 ,  G09G2330/08

Abstract: A three-dimensional holographic display device includes a light emitting diode (LED) array including a plurality of light sources controlled to sequentially output light according to a preset pattern, a lens configured to refract light incident from the LED array, a spatial light modulator (SLM) configured to modulate light incident from the lens, and a processor configured to generate a plurality of holographic signals each comprising depth information adjusted according to an arrangement location of each of the plurality of light sources, and for each of the plurality of light sources, control the SLM to modulate the light based on a holographic signal corresponding to the light source.

公开(公告)号：US11803087B2

公开(公告)日：2023-10-31

申请号：US17107271

申请日：2020-11-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Young Kim ,  Jungkwuen An ,  Hoon Song ,  Kanghee Won

IPC: G02B5/30 ,  G02B5/32 ,  G02F1/1347 ,  G02F1/1343 ,  G02F1/13357 ,  G02B27/09 ,  G03H1/22

CPC classification number: G02F1/13471 ,  G02B5/30 ,  G02B5/32 ,  G02B27/0977 ,  G02F1/1343 ,  G02F1/133602 ,  G03H1/2294 ,  G02F2201/121

Abstract: A beam deflector and a holographic three-dimensional image display apparatus employing the same are provided. The beam deflector deflects light through two stages by a first beam deflector that deflects the light in a first moving direction making an angle with a horizontal direction and a vertical direction, such that the deflected light is oriented to a first location, and a second beam deflector that deflects the light incident from the first beam deflector such that the light is deflected in a second moving direction making an angle with the horizontal direction and the vertical direction at the first location and is oriented to a second location.

公开(公告)号：US11262700B2

公开(公告)日：2022-03-01

申请号：US16660887

申请日：2019-10-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yunhee Kim ,  German B. Dubinin ,  Alexander V. Morozov ,  Sunil Kim ,  Hoon Song ,  Jungkwuen An ,  Young Kim ,  Hongseok Lee ,  Chilsung Choi

IPC: G02B5/18 ,  G03H1/22 ,  F21V8/00 ,  G02B27/09 ,  G02B27/14 ,  G02F1/29

Abstract: A backlight unit for a binocular-holographic display device and a holographic display device including the same are provided. The backlight unit includes a light source unit which outputs light, a first beam expansion unit which expands, in a first direction, the light output from the light source unit, a second beam expansion unit which expands, in a second direction perpendicular to the first direction, the light output from the first beam expansion unit, and a beam deflection unit which diffracts light incident on the first beam expansion unit. The holographic display device includes the backlight unit, a field lens, and a spatial light modulator.

公开(公告)号：US20210294115A1

公开(公告)日：2021-09-23

申请号：US17060419

申请日：2020-10-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kanghee Won ,  Young Kim ,  Jungkwuen An ,  Hongseok Lee

IPC: G02B30/25 ,  G02F1/29

Abstract: Provided is a beam deflector including a first sub deflector configured to deflect light of a first wavelength band in a first direction and a second direction that intersects the first direction, and convert a polarization direction of the light of the first wavelength band, and a second sub deflector configured to deflect light of a second wavelength band, that is different from the first wavelength band in the first direction and the second direction, and convert a polarization direction of the light of the second wavelength band, wherein the first sub deflector and the second sub deflector are sequentially provided such that the light of the first wavelength band and the light of the second wavelength band sequentially pass through the first sub deflector and the second sub deflector.

公开(公告)号：US10962796B2

公开(公告)日：2021-03-30

申请号：US16206555

申请日：2018-11-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hoon Song ,  Jungkwuen An ,  Young Kim ,  Kanghee Won

IPC: G02B30/26 ,  G02F1/29 ,  G02B30/34 ,  G02B27/00

Abstract: A beam deflector and a three-dimensional (3D) display device including the beam deflector are provided. The beam deflector includes a first deflector configured to controllably deflect incident light having a first polarization state in a first horizontal direction; a half-wave plate configured to rotate a polarization of light transmitted by the first deflector by 90°; and a second deflector configured to controllably deflect light transmitted by the half-wave plate having the first polarization state in a second horizontal direction that is different from the first horizontal direction.

公开(公告)号：US10690958B2

公开(公告)日：2020-06-23

申请号：US16103406

申请日：2018-08-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kanghee Won ,  Young Kim ,  Hoon Song ,  Sunil Kim ,  Jungkwuen An ,  Sunghoon Lee ,  Hongseok Lee ,  Chilsung Choi

IPC: G02F1/1335 ,  G02F1/13363 ,  G02B5/30 ,  G03H1/22 ,  G02F1/29 ,  G02B30/25 ,  G02B30/56

Abstract: A beam deflector includes a first wavelength selective polarizer configured to convert a polarization state of light in a first wavelength band into a first polarization state, a first liquid crystal deflector including liquid crystal molecules and an optical path change surface to deflect light incident from the first wavelength selective polarizer, and a controller configured to control the first liquid crystal deflector to adjust an angle of the first optical path change surface.